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Found 34 technologies matching "displays" RSS ATOM

Optical Display System Offers Enhanced Resolution for Heads-Up Displays

33689 – Innovative technology can double the resolution of virtual reality wearable displays UCF researchers have invented a novel display apparatus that resolves the low image resolution issues associated with augmented reality and virtual reality (AR/VR) heads-up systems. AR/VR display technology includes immersive video games and interactive 3D graphics. The new invention effectively doubles... Read More

Integrated light emitting semiconductor device according to an embodiment of the invention comprising a light emitting source optically coupled to a resonant cavity formed in the substrate spaced laterally from the light emitting device, wherein the resonant cavity includes upconversion material therein

High Resolution Full Color Integrated Semiconductor Display

30936 – It is known that by illuminating rare-earth materials, with invisible infrared light, reradiated light at specific visible wavelengths (or colors) is possible. This process, known as frequency up-conversion, has been applied to many technologies and now researchers at UCF have taken this interesting physical result and applied it to high resolution display. Using semiconductor device... Read More

Showing the differences between the color garnet of up-converters according to the present invention (dashed line), NTSB standards (solid line) and organic light emitting diodes (dot-dash line)

More Color and Brightness for Compact Displays

31001 – Improve compact display performance with dense pixilation Developed by UCF researchers, a new composite cavity enhances the absorption of pump light and improves emission of visible light for more efficient up-conversion in display technology. This invention surpasses typical devices with its lower power requirements and smaller size factor, while producing richer color and high... Read More

Block diagram showing the optical arrangement of components in the full color display using red, green and blue up converter-semiconductor light source displays

Display Design Suitable for Projection Displays with an Increased Color Gamut

31299 – Methods and systems for a large color gamut display suitable for projection displays based on up converters and GaAs based semiconductor light sources. This novel system is suitable for projection displays and can be used with up converter semiconductor light source array emissive screens. Moreover, it can also be used with Liquid Crystal Displays (LCDs) or other spatial light modulators... Read More

Example of a configuration of components in the full color display using red, green and blue up converter-semiconductor light source displays

Low Voltage Up-converting IR-LEDs for Battery Powered Displays

31290 – This invention represents the design of a micro-scale, up-converting, solid state lighting device intended for low voltage operation at red, green, and blue operation for use in portable visual indicator systems and displays. Visual indicator displays have become ubiquitous in today’s society, from personal cell phones to military grade head mounted displays. As such, research into... Read More

Example diagrams of the UCF tactile display apparatus design: (a) shows an external view and (b) shows an internal view of the device.

Tactile Display Apparatus for Palpation Simulation and Telemedicine

34063 – Innovative training device enables medical students to experience the near-real sensation of touch, similar to human palpation. Researchers at the University of Central Florida have designed a haptic training device that medical students can use to better distinguish between normal and abnormal lumps in the body. By providing the sensation of touch and the ability to vary the size and... Read More

Holographic 3D Display Achieves Near Real-Time Speed

33011 – Holographic displays attract attention for use in telemedicine, prototyping, updatable 3D maps, military imaging, and other applications that require situational awareness. Also popular in advertising and entertainment, the usefulness of holography is often directly correlated with how long an image can be displayed and how fast and effectively that image can be changed. Currently... Read More

Dynamically Tunable, Single Pixel Full-Color Plasmonic Display

33838 – The University of Central Florida invention demonstrates a liquid crystal-plasmonic system that covers the full red-green-blue (RGB) color basis set, only as a function of voltage, for the first time. Nematic liquid crystals are long rod‐shaped molecules that have extraordinary properties, most importantly: long-range order and alignment with an electric field. This allows liquid... Read More

Output of a diode laser coupled to a waveguide

Use of Infrared Light Source to Generate White Light

30023 – The generation of white light by exposure of rare-earth materials to near-infrared sources, diode lasers or LEDs, and the various proposed embodiments as applied to a variety of white light applications. Efficient generation of white light is the focus of many optical research endeavors since traditional sources (light bulbs) simply convert electrical energy into light by heating a... Read More

Optical Technology Offers High Diffraction Efficiency and Polarization Sensitivity

33470 – New diffraction grating technology enables wearable displays to project 3D images using only one panel UCF researchers have invented an optical device that can replace existing technologies in applications such as electronic beam steering for free-space communications, optical switching, and wearable (head-mounted) displays. The Polarization Volume Grating (PVG) provides wider bandwidths,... Read More

Schematic representation of polymer-coated nanoceria with different surface charges displaying cell internalization, discrete subcellular localization and toxicity profiles

Target Cancer Cells with Coated Nanoceria

33361 – UCF researchers have created a new weapon in the fight against cancer by coating nanoparticles of cerium oxide, nanoceria, with polymers to affect the localization of nanoceria within cells and modulate its toxicity based on pH, to fight cancer cells while protecting normal cells. Even in the presence of oxygen, many cancers preferentially obtain their energy by converting glucose into... Read More

Display of a method of preparing a carbon fiber from a fiber component

An Environmentally Friendly Approach to Cost-Effectively Produce Oxidized Graphite and Prepare Carbon Fiber

32747 – Researchers at the University of Central Florida (UCF) have developed a scalable, environmentally friendly method to produce oxidized graphite. UCF’s oxidized graphite is water dispersible, which aids in the preparation of thin films, carbon fibers, and carbon nanotubes; has resistivities ranging from 50-8,000 Ω/cm2; and, most importantly, allows for easy conversion to graphene. Oxidized... Read More

Illustration of the cooperative motion capture (COMOCAP) concept: (a) Depicts body-relative signaling in a multi-person setup. Each person wears components that can send/receive intra-user signals (red dashed) between a reference body point, the head or torso, and the moving limbs. A centralized global system (green dashed) tracks each person's body to the environment. (b) Depicts the cooperative motion capture approach where transceivers (transmitter-receiver units) worn on each person's body send/receive signals (red dashed) to/from the transceivers of other people in a peer-to-peer fashion. As people get closer to each other, the inter-user signals increase in strength and robustness, compared to conventional non-inertial approaches.

Relative Pose Data Augmentation and Other Tracked Devices in Virtual Environments

34272 – Researchers at the University of Central Florida have invented a better way to track objects like head-mounted displays (HMDs) and handheld controllers of multiple users as they interact in shared space. Virtual environment systems today encounter some amount of error (static or dynamic) that can affect the system's usefulness. If two or more users are tracked close to each other... Read More

Selectively Apply Near-Unity Absorptive Gold-Black to the Pixels of Thermal Infrared (IR) Imaging Array Detectors for use in Night Vision

33033 – In thermal IR sensors (bolometers), absorptive coatings convert IR power into heat. Absorptive coating gold-black has been used for many decades for IR bolometers, particularly for array detectors used in night vision for defense and security. Gold-black is a nanocrystalline deposit formed when an inert gas causes gold atoms to collide and bind with each other to form a web-like structure.... Read More

Schematic showing the excitation scheme of the up-converter resonant cavity light emitting diode red, green and blue pixel

Resonant Cavity Enhances Efficiency of IR to Visible Light Conversion

31036 – Solid state lighting, the use of electron to photon conversions in semiconductors, has proven itself an extremely efficient and robust avenue for the realization of many miniature display needs. Unfortunately, due to the nature of semiconductors, only the generation of individual colors is possible. One must, therefore, design with several different materials for each color desired. Also, for... Read More

Ultra-Stable Deep-Dyed Perovskite-Polymer Composites as Tunable Downconverters

34381 – The University of Central Florida invention comprises a low cost, simple deep‐dyeing method that can convert a polyethylene terephthalate (PET) polymer matrix into ultra‐stable luminescent perovskite‐polymer composites (PPCs) which have excellent color tunability, color purity, and water‐/photo‐stability. The achieved PPCs can be used in displays, solid‐state lighting or other... Read More

Virtual Humans May Increase Trust in Autonomous Control Systems

34507 – Researchers at the University of Central Florida have developed a method of using dynamic, realistic simulations to facilitate real human awareness and trust in an autonomous control system like a self-driving vehicle. The method employs online virtual humans that dynamically perform behaviors, such as gestures, poses, and verbal interactions based on the real-time input and... Read More

Illustration of the invention’s one-body array of 1D/2D core/shell nanowires. As illustrated, the nanowires are directly integrated on metal current collectors.

Core/Shell Nanowires for High-Performance Flexible Supercapacitors

33802 – Hybrid material offers supercapacitor with unprecedented energy storage, cycle life, strength, and flexibility for next-generation cell phones, displays and wearables UCF researchers have invented novel materials that enable next-generation supercapacitors to outperform current state-of-the-art energy storage technologies, including lithium thin-film batteries, porous graphene,... Read More

Figure 1. Illustration of the new vehicle detection system with RFB technology alerting a wrong-way driver. Courtesy of the Central Florida Expressway Authority.

Wrong-Way Driver Detection Technologies can Help Prevent Head-On Collisions

33441 – New systems leverage vehicle and roadside technologies to thwart head-on collisions caused by wrong-way drivers Researchers at UCF and the Central Florida Expressway Authority (CFX) have patented methods for systems that help prevent head-on collisions when drivers wrongfully enter roadways. The technologies (UCF IDs: 33441, 33714 and 33716) can be used to alert and stop wrong-way drivers... Read More

Depiction of the four stages of the growth of the nanofilaments

Electrochemical Deposition of CNT from Organic Solutions

30035 – Inexpensive synthesis at room temperature The invention represents the means, methods and apparatus for low temperature electro-deposition of carbon nanoparticles on metal catalyst electrodes. It also provides details on mixing the organic solutions for immersion of the metal catalyst electrodes. Carbon nanostructures, such as nanotubes and nanofilaments, exhibit unique properties,... Read More

(6A) Photographic image of a first solution of dextran coated nanoceria after ultrafiltration with an Amicon 30 K filter. (6B) Photographic image of a second solution of dextran coated nanoceria after the solution is concentrated using a 30K Centricon concentrator.

Synthesis of Polymer Coated Ceria Nanoparticles for Biomedical Applications

31005 – The composition and synthesis of a biodegradable polymer coated ceria oxide nanoparticle Cerium oxide (CeO) nanoparticles exhibit potent antioxidant properties, as well as other desirable therapeutic characteristics such as prolonging neuronal cell life and protecting cells against UV radiation. Current methods of ceria nanoparticle synthesis and coating are expensive and have little... Read More

Comparison of phase noise of the OEO with RF filter and with etalon (Normalized power)

Achieve Higher RF Frequency Stability with Lower Phase Noise

32843 – Improve radar, communications, and signal intelligence with interferometer-based optoelectronic oscillator Optoelectronic oscillators (OEOs) provide a continuous, high quality factor (Q) modulated signal in order to obtain high spectral purity. OEOs are used for a variety of purposes, including a carrier wave for communications, and radar emissions. Most OEOs use an RF filter as the mode... Read More

Illustration of the Stochastic Resampling Process

Synthetic Data Generation Method Improves Accuracy of Gesture Recognizers

33507 – New synthetic data generation method enables fast, accurate training of gesture recognizers used in rapid prototyping of user interfaces UCF researchers have developed a method that quickly generates realistic synthetic data and enables gesture recognizers to significantly improve their accuracy. The new method, called Stochastic Resampling (SR), is computationally efficient, has minimal... Read More

Illustrations of the molecular arrangement for a nematic liquid crystal (NLC) and a twisted nematic liquid crystal (TNLC)

Wavelength Independent Polarization Rotator with a Wide Field of View

30503 – This patent represents the means, methods and apparatus for the creation of a device for rotating the polarization of linearly polarized IR, visible and UV light. The device consists of a transparent input window, a transparent output window with oriented surface coating and a twisted nematic liquid crystal sandwiched between them. The polarization of light specifies the direction of the... Read More

Electronic Book Operating System (eBOS)

31309 – For a dynamic learning experience Electronic books have become increasingly popular, primarily in hardware applications such as the Nook and Kindle. However, text is static and detached from user engagement which limits the dynamic learning potential of instructional books. Interactivity with the instructional material is important for improved comprehension for students especially in... Read More

Example prototype of the UCF 3D-printed fingertip pediatric laryngoscope-intubation device.

3D-Printed Fingertip Pediatric Laryngoscope for Safer, Faster Intubation

34054 – New flexible device can be custom-printed to fit a child’s respiratory tract and minimize intubation trauma from surgical procedures. Researchers at the University of Central Florida have developed a combined pediatric laryngoscope and intubation medical device that facilitates tracheal intubation while reducing patient trauma. The low-cost, 3D-printed innovation is more flexible and... Read More

Graphene-Carbon Fiber Electrodes for Robust Supercapacitors

34229 – Researchers at the University of Central Florida have developed a simple, low-cost method of creating electrodes for flexible, robust supercapacitors. The UCF invention resolves the performance and safety issues associated with producing supercapacitors for wearable electronic devices. It also offers a way to build commercially available supercapacitors with high specific... Read More

structural model of a CdS/Cd,Zn1_xS:Mn!ZnS core/shell/shell of the present invention

Synthesis of Core/Shell/Shell Quantum Dots with Improved Luminescent and Semi-Conducting Properties

31141 – The technology represents methods for the synthesis of quantum dots with a core/shell/shell structure and compositions which allow one to customize the particles excitation band-gaps. It also provides a variety of semi conducting alloys for creating the core of the quantum dots as well as several metal dopants for the shell. Quantum dots (semiconductor nanoparticles) exhibit both strong... Read More

The assembled BOD sensor of the present invention

Water Quality Testing in the Palm of Your Hand

30257 – UCF researchers have designed a reliable, easy to manufacture, and inexpensive microfluidic portable water sensor with disposable cartridges—capable of determining microbe growth, chlorine content, purity, or temperature. Microfluidics, or “lab-on-a-chip” technology, is experiencing explosive growth in the fields of chemistry, biology, electronics, and computers. These small devices work... Read More

Figure 1. Schematic view of the imaging operational concept.

Cost-Effective Imaging System Uses RF Magnetic Field and Loop Bolometer Array to Produce MRI-Quality Images

33853 – New system can generate detailed images of internal body structures and identify defects embedded in electronic circuits UCF researchers have designed a new imaging system that captures detailed, 3D views of an object’s internal structures and is more affordable, compact and transportable than other systems. The invention is safe to use for both medical and scientific applications, since... Read More

Digital Scheme for Cryptocurrency Wallet Backup and Recovery

34225 – Researchers at the University of Central Florida have developed a digital mechanism that provides a secure, convenient way for cryptocurrency users to back up the private keys in their hardware wallets and restore them when needed. A crypto hardware wallet (such as a USB stick, Bluetooth device or smartcard) generates private keys for a user to protect crypto assets, like... Read More

Example use of the UCF Tactile-Visual Wound Simulation Unit in a military combat situation.

Tactile-Visual Wound Simulation Unit for Realistic Hands-On Training

33827 – Multi-Sensory, Interactive Training Unit Lets Combat Medics See, Feel and Treat Lifelike, 3D Wounds UCF researchers have invented an innovative, multi-sensory, interactive training system that realistically mimics wounds and provides constant, dynamic feedback to medical trainees as they treat the wounds. Almost like a video game in real-life, the Tactile-Visual Wound (TVW) Simulation Unit... Read More

Method for Growing Perovskite Quantum Dots on Any Material

34410 – Researchers at the University of Central Florida have invented a unique method of creating structures for ultra-thin, highly efficient optoelectronic devices. Current methods (such as depositing PQDs onto a graphene substrate or applying them via spin-coating or dipping) produce structures that offer limited carrier mobility and photoresponsivity. In contrast, the UCF method... Read More

Figure 1. Diagram of the UCF dynamically tunable cavity-coupled plasmonic system. As shown, it includes a complementary gold hole/disk array, a tri-layered cavity spacer and a reflective back mirror.

Actively Tunable Photonic Device Enables Multispectral Infrared Camouflage

34066 – Researchers at the University of Central Florida have designed an innovative adaptive infrared (IR) camouflage system that can operate at any wavelength in the technologically relevant, midwave IR (3–5 µm) and longwave IR (8–12 µm) bands. The plasmonic nanostructured system design offers a faster, more efficient way to encode information and provides spectral selectivity, which is... Read More